2. Interpretation In this Act – “authorised officer” means an officer to whom the Commissioner has delegated his powers under section 13; “biometric data” means any personal data relating to the physical, physiological or behavioural characteristics of an individual which allow his unique identification, including facial images or dactyloscopic data; “collect” does not include receive unsolicited information; “Commissioner” means the Data Protection Commissioner referred to in section 4; “consent” means any freely given specific, informed and unambiguous indication of the wishes of a data subject, either by a statement or a clear affirmative action, by which he signifies his agreement to personal data relating to him being processed; “controller” means a person who or public body which, alone or jointly with others, determines the purposes and means of the processing of personal data and has decision making power with respect to the processing;